[INFO] cloning repository https://github.com/CampoDiFiori/doubly-linked-list-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CampoDiFiori/doubly-linked-list-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCampoDiFiori%2Fdoubly-linked-list-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCampoDiFiori%2Fdoubly-linked-list-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cde3edee757ac05d06308fd48385783740f79f6
[INFO] testing CampoDiFiori/doubly-linked-list-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCampoDiFiori%2Fdoubly-linked-list-rust" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CampoDiFiori/doubly-linked-list-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CampoDiFiori/doubly-linked-list-rust
[INFO] finished tweaking git repo https://github.com/CampoDiFiori/doubly-linked-list-rust
[INFO] tweaked toml for git repo https://github.com/CampoDiFiori/doubly-linked-list-rust written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/CampoDiFiori/doubly-linked-list-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bf641913cef8dedeefeb5c731934cbf13b6dd87b633aeb392874417eb83f6e8
[INFO] running `Command { std: "docker" "start" "-a" "7bf641913cef8dedeefeb5c731934cbf13b6dd87b633aeb392874417eb83f6e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bf641913cef8dedeefeb5c731934cbf13b6dd87b633aeb392874417eb83f6e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf641913cef8dedeefeb5c731934cbf13b6dd87b633aeb392874417eb83f6e8", kill_on_drop: false }`
[INFO] [stdout] 7bf641913cef8dedeefeb5c731934cbf13b6dd87b633aeb392874417eb83f6e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7331b4aebe841db7010c103b79dd94454749c2b06f719510ce644f503d73258c
[INFO] running `Command { std: "docker" "start" "-a" "7331b4aebe841db7010c103b79dd94454749c2b06f719510ce644f503d73258c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling doubly-linked-list-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "7331b4aebe841db7010c103b79dd94454749c2b06f719510ce644f503d73258c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7331b4aebe841db7010c103b79dd94454749c2b06f719510ce644f503d73258c", kill_on_drop: false }`
[INFO] [stdout] 7331b4aebe841db7010c103b79dd94454749c2b06f719510ce644f503d73258c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf05833b9a7a3c53331c7ac62fe22ecf6becc1673fdfe655108c45c14229d929
[INFO] running `Command { std: "docker" "start" "-a" "bf05833b9a7a3c53331c7ac62fe22ecf6becc1673fdfe655108c45c14229d929", kill_on_drop: false }`
[INFO] [stderr]    Compiling doubly-linked-list-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/doubly_linked_list_rust-269b990fb791b806)
[INFO] running `Command { std: "docker" "inspect" "bf05833b9a7a3c53331c7ac62fe22ecf6becc1673fdfe655108c45c14229d929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf05833b9a7a3c53331c7ac62fe22ecf6becc1673fdfe655108c45c14229d929", kill_on_drop: false }`
[INFO] [stdout] bf05833b9a7a3c53331c7ac62fe22ecf6becc1673fdfe655108c45c14229d929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e082642b16a7646981240c490df11587d4dd50e81eebf2291972c7bd2bfaeef
[INFO] running `Command { std: "docker" "start" "-a" "2e082642b16a7646981240c490df11587d4dd50e81eebf2291972c7bd2bfaeef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/doubly_linked_list_rust-269b990fb791b806)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test insert_test ... ok
[INFO] [stdout] test contains_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e082642b16a7646981240c490df11587d4dd50e81eebf2291972c7bd2bfaeef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e082642b16a7646981240c490df11587d4dd50e81eebf2291972c7bd2bfaeef", kill_on_drop: false }`
[INFO] [stdout] 2e082642b16a7646981240c490df11587d4dd50e81eebf2291972c7bd2bfaeef